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initial pass at using derivatives in regex unfolding

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-05-23 11:52:53 -07:00
parent b7b8ed23fb
commit eb3f20832e
11 changed files with 694 additions and 228 deletions
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1
src/smt/params/smt_params_helper.pyg
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@ -96,6 +96,7 @@ def_module_params(module_name='smt',
('core.validate', BOOL, False, '[internal] validate unsat core produced by SMT context. This option is intended for debugging'),
('seq.split_w_len', BOOL, True, 'enable splitting guided by length constraints'),
('seq.validate', BOOL, False, 'enable self-validation of theory axioms created by seq theory'),
('seq.use_derivatives', BOOL, False, 'dev flag (not for users) enable derivative based unfolding of regex'),
('str.strong_arrangements', BOOL, True, 'assert equivalences instead of implications when generating string arrangement axioms'),
('str.aggressive_length_testing', BOOL, False, 'prioritize testing concrete length values over generating more options'),
('str.aggressive_value_testing', BOOL, False, 'prioritize testing concrete string constant values over generating more options'),

1
src/smt/params/theory_seq_params.cpp
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@ -21,4 +21,5 @@ void theory_seq_params::updt_params(params_ref const & _p) {
smt_params_helper p(_p);
m_split_w_len = p.seq_split_w_len();
m_seq_validate = p.seq_validate();
m_seq_use_derivatives = p.seq_use_derivatives();
}

4
src/smt/params/theory_seq_params.h
View file

@ -25,11 +25,13 @@ struct theory_seq_params {
*/
bool m_split_w_len;
bool m_seq_validate;
bool m_seq_use_derivatives;
theory_seq_params(params_ref const & p = params_ref()):
m_split_w_len(true),
m_seq_validate(false)
m_seq_validate(false),
m_seq_use_derivatives(false)
{
updt_params(p);
}